A three month course of daily fish oil capsules appeared to significantly reduce the rate of psychotic disorders in young people, an improvement that seemed to persist when doctors assessed their mental health seven years later.
People celebrate in the streets at Ground Zero, the site of the World Trade Centre, waving American flags and honking horns to celebrate the death of al Qaeda founder and leader Osama bin Laden on May 1, 2011.
No-one has claimed responsibility but US officials suspect the attacks were the work of Osama bin Laden, an Islamic fundamentalist. The first blast happened in the Tanzanian capital Dar es Salaam and the second, just five minutes later, in Nairobi, Kenya's capital city.